Tag: 2026
All the articles with the tag "2026".
Campbell ADU Fees 2026: Silicon Valley's $5.40 School Fee
An 800 sq ft detached ADU in Campbell priced phase by phase — about $318,000. The series-high $5.40/sq ft school fee (two districts, one parcel), valuation-based permits, and West Valley Sanitation's per-fixture-unit sewer math.
The ADU Permit Clocks: 15 Days, 60 Days, and the Fine Print
Two clocks govern California ADU permits: 15 business days for completeness, 60 days for a decision. The fine print on cure lists, tolling, and the JADU gap.
Sewer, Water, Power: ADU Utility Bills
Capacity charges, connection fees, panel upgrades — the $0 to $10,000 range nobody puts in the quote. Why sewer is the most volatile ADU line.
The 499 Sq Ft Line: One Foot Costs $2,690
School fees turn on one sentence: units under 500 sq ft of interior livable space are exempt. At the 2026 cap of $5.38/sq ft, the 500th foot triggers $2,690.
10 Lines Missing From Every ADU Quote
A contractor's 'all-in' quote rarely includes government, tax, or reserve lines. Ten lines after signing, with ranges from verified California fee ledgers.
Cities Can Be Sued for ADU Permit Delays: What the Palos Verdes Ruling Means
On 23 October 2026, a California appeals court revived a homeowner's damages claim over a three-year ADU permit delay. The ruling, the 60-day ministerial rule behind it, and the paper trail applicants should keep — plus what the court did not decide.
Pasadena ADU Fees 2026: $2.24 School Fees and City-Designed Free Plans
An 800 sq ft detached ADU in Pasadena priced phase by phase — about $310,000. The series-low $2.24/sq ft school fee, a proportional impact fee tied to your main house, and a city-run pre-approved plan program with published permit estimates.
Will an ADU Raise My Property Tax? (Prop 13, Explained)
Building an ADU triggers a property tax reassessment — but only on the new construction, not your whole house. How Prop 13's new-construction rule works, what the assessor actually adds, and why your original tax basis stays protected.
3 ADU Laws Taking Effect Jan 1, 2027 (and What Changes on Your Block)
SB 1117 kills the 750 sq ft impact-fee cliff, SB 1196 forces utility connection deadlines, and AB 956 allows two detached ADUs per lot. All signed Sep 29, 2026 — all effective Jan 1, 2027. What each one changes for your project.
San Bernardino ADU Fees 2026: The Clearest 750 Sq Ft Cliff in California Code
An 800 sq ft detached ADU in San Bernardino priced phase by phase — $316,000*. The city with the clearest 750 sq ft cliff in California code: §19.04.030 spells out the pro-rata impact-fee formula in plain ordinance language. School fees confirmed at $4,304; the building permit schedule and water/sewer dollar figures are not published.
JADU vs ADU vs Garage Conversion: The Cheapest Way to Add a Unit
Three ways to add a housing unit in California, compared side by side: detached ADU ($320,000), garage conversion ($190,000), and JADU (no published total — but nearly every fee is $0). Cost, timeline, rental income, and constraints in one decision table.
400 sq ft ADU Cost in California: Why Smaller Is Not Cheaper (2026)
Updated:We modeled a 400 sq ft detached ADU in Los Angeles County. Total: $215,000 — or $538 per square foot. Here is every phase, why fixed costs dominate, and when 400 still makes sense.
The 750 Sq Ft Cliff, Explained: Why 50 Square Feet Can Cost $10,000
Updated:California's most expensive 50 square feet: build an ADU at 749 sq ft and pay $0 in impact fees; build at 800 and owe thousands. How the 750 sq ft cliff works, with real numbers from Glendale, Sacramento, Torrance, Palo Alto, and Fontana — and what SB 1117 changes on Jan 1, 2027.
800 sq ft ADU Cost in California: A Full 2026 Line-Item Breakdown
Updated:We modeled an 800 sq ft detached ADU in Los Angeles County and priced every phase. Total: $320,000. Here is where each dollar goes and why smaller is not cheaper.
ADU All-In Cost in California: Contingency, Loan Interest, Tax, and Vacancy (2026)
Updated:The $320,000 and $215,000 construction models are not what you actually spend. Add 12% contingency, construction loan interest, Prop 13 ADU-only tax, vacancy, and optional management — here are clear year-one all-in tables.
The $32,000 Line Item Nobody Quotes: ADU Contingency
Contractor bids never include contingency — but 10–15% ($32,000–$48,000 on a $320,000 ADU) is the industry standard reserve held by the owner. What it covers, what it doesn't, and how to size it.
ADU Cost Per Square Foot in California: Why the Number Misleads (and When It Helps)
An 800 sq ft ADU at $400 per foot looks cheaper than a 400 sq ft ADU at $538 — until you see which costs don't scale. How per-square-foot math works, where it breaks, and the fee lines actually priced per foot.
How Long Does an ADU Permit Take? The Timeline Nobody Puts in the Quote
Updated:State law says 60 days. Reality says plan for more. The ADU permit timeline phase by phase — completeness review, plan check rounds, corrections, inspections — with the statutory clocks (60-day approval, 15-day completeness, 30-day pre-approved review) and why '6-month build' quotes hide 3–4 months of paper.
ADU School Fees, Explained: Level 1, Level 2, and the 500 Sq Ft Exemption
Updated:Why school district fees on the same 800 sq ft ADU range from $1,792 to $4,304 across California — who sets the rate, what Level 1 vs Level 2 means, why 500 sq ft is the magic number, and the 13-city data from our fee series.
ADU Soft Costs in California: Permits, Design, and Plan Check Line Items (2026)
Updated:Soft costs on California ADUs typically land around $28,000–$40,000 before construction starts. Here is every design, engineering, plan check, and fee line — with ranges by jurisdiction type.
Bay Area ADU Fees Ranked: Oakland vs San Francisco vs Palo Alto vs San Jose
Updated:The same 800 sq ft ADU, four Bay Area fee philosophies: Palo Alto ~$303,000 (corrected), Oakland $322,000, San Francisco $325,000, San Jose ~$400,000. Why the 'expensive Bay Area' assumption falls apart once you read the fee schedules — and where the 750 sq ft cliff bites hardest.
California ADU Impact Fees, Explained: What They Are, Which Cities Charge Them, and the 750 Sq Ft Rule
Impact fees are the most misunderstood ADU line: $0 at 750 sq ft or less, prorated above it, and narrowed to the area above 750 for a homeowner's first two ADUs in 2027. What counts, what doesn't, and what real cities charge.
Free ADU Plans: 7 California Cities That Hand You the Drawings
Updated:Seven California cities offer pre-approved ADU plans — from Chula Vista's 12 SnapADU designs to Pasadena's free city-drawn prototypes. What 'free' actually saves you ($1,000–$3,000 in plan check) and what it doesn't.
Garage Conversion ADU Cost in California: Full 2026 Line-Item Breakdown
Updated:We modeled a typical 2-car garage conversion ADU in Los Angeles County (~450 sq ft living). Total: $190,000. See which phases shrink vs a new detached build — and which grow.
On Jan 1, 2027, California Kills the 750 Sq Ft Cliff — Here's What You'd Save
Updated:SB 1117, signed Sept 29, 2026, rewrites the ADU impact-fee rule: from Jan 1, 2027, cities may charge fees only on square footage above 750 — not the whole unit. City-by-city savings table: Palo Alto ~$8,000–$20,000 → ~$500–$1,250; Anaheim ~$10,411 → a fraction. What changes, what doesn't, and the December-vs-January permit question.
The $2,528 School Fee Gap: Pasadena ($2.24) vs Campbell ($5.40)
Updated:Same 800 sq ft ADU, $2,528 difference in school fees — from school district boundaries alone. Pasadena Unified charges $2.24/sq ft; Campbell's two districts total $5.40/sq ft. Why the rate varies and who sets it.
The $59,854 Square Foot: 5 American Cities Where ADU Fees Break the Chart
Updated:From a $59,854 one-square-foot fee cliff in Maryland to a $60 building permit in Wyoming — the five wildest ADU government-fee findings from our 148-city national dataset. Every figure from an official source.
Chula Vista ADU Fees 2026: The Flat-Rate Permit Experiment
An 800 sq ft detached ADU in Chula Vista priced phase by phase — $308,000. The series standout for permit pricing transparency: a flat $3,951 ADU permit (no valuation math), 12 pre-approved SnapADU plans, and a DIF that scales proportionally to the primary residence. The school-fee split is half confirmed.
Oceanside ADU Fees 2026: The Ordinance Says $0 — the Draft Study Disagrees
An 800 sq ft detached ADU in Oceanside priced phase by phase — about $313,000. The zoning ordinance says the city 'shall not impose any impact fees upon the development of an ADU or JADU,' but a 2025 park DIF nexus draft (not adopted) would charge 800 sq ft ADUs up to $6.03/sq ft. Five items are awaiting confirmation from the city.
Valuation vs Flat vs Per-Sq-Ft: How Cities Actually Price Your ADU Permit
Three permit pricing models across California cities — valuation-based (Pasadena, Campbell), flat-fee (Fontana $3,195, Chula Vista $3,951), and per-square-foot (Oceanside ~$7,541). How to read any fee schedule before you apply.